:root {
    /* Cores Fornecidas */
    --color-secondary-fixed-dim: #2fd9f4;
    --color-error: #ffb4ab;
    --color-primary: #d0bcff;
    --color-inverse-on-surface: #313030;
    --color-on-primary: #3c0091;
    --color-surface-dim: #131313;
    --color-surface-container: #201f1f;
    --color-surface-bright: #3a3939;
    --color-primary-container: #a078ff;
    --color-surface: #131313;
    --color-on-tertiary-fixed: #40000d;
    --color-surface-container-highest: #353534;
    --color-tertiary: #ffb2b7;
    --color-on-primary-fixed: #23005c;
    --color-on-secondary-container: #00515d;
    --color-on-error-container: #ffdad6;
    --color-primary-fixed: #e9ddff;
    --color-on-primary-container: #340080;
    --color-surface-container-lowest: #0e0e0e;
    --color-surface-variant: #353534;
    --color-error-container: #93000a;
    --color-surface-tint: #d0bcff;
    --color-outline: #958ea0;
    --color-surface-container-high: #2a2a2a;
    --color-on-error: #690005;
    --color-secondary: #5de6ff;
    --color-secondary-container: #00cbe6;
    --color-inverse-surface: #e5e2e1;
    --color-primary-fixed-dim: #d0bcff;
    --color-on-secondary-fixed: #001f25;
    --color-tertiary-fixed-dim: #ffb2b7;
    --color-tertiary-fixed: #ffdadb;
    --color-on-tertiary-fixed-variant: #92002a;
    --color-inverse-primary: #6d3bd7;
    --color-on-surface-variant: #cbc3d7;
    --color-on-surface: #e5e2e1;
    --color-outline-variant: #494454;
    --color-surface-container-low: #1c1b1b;
    --color-on-primary-fixed-variant: #5516be;
    --color-on-background: #e5e2e1;
    --color-on-tertiary-container: #5b0017;
    --color-background: #131313;
    --color-secondary-fixed: #a2eeff;
    --color-tertiary-container: #ff516a;
    --color-on-tertiary: #67001b;
    --color-on-secondary-fixed-variant: #004e5a;
    --color-on-secondary: #00363e;

    /* Spacing */
    --spacing-stack-lg: 32px;
    --spacing-gutter: 24px;
    --spacing-stack-md: 16px;
    --spacing-unit: 8px;
    --spacing-container-margin-mobile: 20px;
    --spacing-stack-sm: 8px;
    --spacing-container-margin: 48px;

    /* Font Families */
    --font-montserrat: 'Montserrat';
    --font-inter: 'Inter';
    --font-display-hero: var(--font-montserrat), sans-serif;
    --font-label-sm: var(--font-inter), sans-serif;
    --font-body-md: var(--font-inter), sans-serif;
    --font-headline-md: var(--font-montserrat), sans-serif;
    --font-headline-lg: var(--font-montserrat), sans-serif;
    --font-headline-lg-mobile: var(--font-montserrat), sans-serif;
    --font-body-lg: var(--font-inter), sans-serif;

    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--color-background);
    color: var(--color-on-background);
    font-family: var(--font-body-md);
    line-height: 1.6;
    scroll-behavior: smooth;
}

h1, h2, h3, .logo {
    font-family: var(--font-headline-md);
    color: var(--color-on-surface);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: rgba(19, 19, 19, 0.95); /* color-background com opacidade */
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-outline-variant);
    animation: slideDown 0.5s ease-out;
    backdrop-filter: blur(10px);
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    cursor: pointer;
}

.logo span {
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-gutter);
}

.nav-links a {
    text-decoration: none;
    color: var(--color-on-surface-variant);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--color-primary);
}

.nav-buttons {
    display: flex;
    gap: var(--spacing-stack-md);
}

/* Buttons */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    padding: 0.6rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-family: var(--font-label-sm);
}

.btn-primary:hover {
    background-color: var(--color-primary-fixed);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(208, 188, 255, 0.25);
}

.btn-outline {
    border: 2px solid var(--color-outline);
    color: var(--color-on-surface);
    padding: 0.6rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    font-family: var(--font-label-sm);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    transform: translateY(-2px);
}

/* Dynamic Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    text-align: center;
}

#hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -1;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
    background: rgba(19, 19, 19, 0.6);
    padding: var(--spacing-stack-lg);
    border-radius: 15px;
    backdrop-filter: blur(8px);
    border: 1px solid var(--color-outline-variant);
    max-width: 800px;
    margin: 0 5%;
}

.hero-content h1 {
    font-family: var(--font-display-hero);
    font-size: 3.5rem;
    margin-bottom: var(--spacing-stack-md);
    line-height: 1.2;
}

.hero-content h1 span {
    color: var(--color-primary);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--color-on-surface-variant);
    margin-bottom: var(--spacing-stack-lg);
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: var(--spacing-stack-md);
}

/* Features Section */
.features {
    padding: 100px 5%;
    text-align: center;
    background-color: var(--color-surface);
}

.features h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-container-margin);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-gutter);
}

.feature-card {
    background-color: var(--color-surface-container);
    padding: 3rem 2rem;
    border-radius: 15px;
    transition: var(--transition);
    border: 1px solid var(--color-outline-variant);
}

.feature-card:hover {
    border-color: var(--color-primary);
    background-color: var(--color-surface-container-high);
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.feature-card i {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-stack-md);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-stack-sm);
}

.feature-card p {
    color: var(--color-on-surface-variant);
}

/* FAQ Section */
.faq {
    padding: 100px 5%;
    background-color: var(--color-surface-container-lowest);
}

.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-container-margin);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--color-surface-container);
    margin-bottom: var(--spacing-stack-md);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--color-outline-variant);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-on-surface);
    transition: var(--transition);
}

.faq-question:hover {
    background-color: var(--color-surface-container-high);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
    color: var(--color-on-surface-variant);
}

.faq-answer p {
    padding-bottom: 1.5rem;
    padding-top: 0.5rem;
}

.faq-item.faq-open .faq-answer {
    max-height: 500px;
    padding-bottom: 1rem;
}

.faq-item.faq-open .faq-question i {
    transform: rotate(180deg);
    color: var(--color-primary-fixed);
}

.faq-question i {
    transition: var(--transition);
    color: var(--color-primary);
}

/* Footer */
footer {
    padding: 50px 5%;
    background-color: var(--color-surface-dim);
    border-top: 1px solid var(--color-outline-variant);
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-stack-md);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-headline-md);
}

.footer-logo span {
    color: var(--color-primary);
}

.footer-content p {
    color: var(--color-on-surface-variant);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links, .nav-buttons {
        display: none;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .hero-btns {
        flex-direction: column;
    }
}